Turn FrameView's paintBehavior into a real global

Source/core/paint/InlineFlowBoxPainter.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/paint/InlineFlowBoxPainter.h"
 
 #include "core/layout/LayoutBlock.h"
 #include "core/layout/LayoutInline.h"
 #include "core/layout/LayoutView.h"
@@ skipping 273 matching lines @@
     LayoutRect localRect(frameRect);
     m_inlineFlowBox.flipForWritingMode(localRect);
     LayoutPoint adjustedPaintOffset = paintOffset + localRect.location();
 
     const NinePieceImage& maskNinePieceImage = m_inlineFlowBox.layoutObject().style()->maskBoxImage();
     StyleImage* maskBoxImage = m_inlineFlowBox.layoutObject().style()->maskBoxImage().image();
 
     // Figure out if we need to push a transparency layer to render our mask.
     bool pushTransparencyLayer = false;
     bool compositedMask = m_inlineFlowBox.layoutObject().hasLayer() && m_inlineFlowBox.boxModelObject()->layer()->hasCompositedMask();
-    bool flattenCompositingLayers = m_inlineFlowBox.layoutObject().view()->frameView() && m_inlineFlowBox.layoutObject().view()->frameView()->paintBehavior() & PaintBehaviorFlattenCompositingLayers;
+    bool flattenCompositingLayers = gGlobalPaintFlags & GlobalPaintFlattenCompositingLayers;
     SkXfermode::Mode compositeOp = SkXfermode::kSrcOver_Mode;
     if (!compositedMask || flattenCompositingLayers) {
         if ((maskBoxImage && m_inlineFlowBox.layoutObject().style()->maskLayers().hasImage()) || m_inlineFlowBox.layoutObject().style()->maskLayers().next()) {
             pushTransparencyLayer = true;
             paintInfo.context->beginLayer(1.0f, SkXfermode::kDstIn_Mode);
         } else {
             // TODO(fmalita): passing a dst-in xfer mode down to paintFillLayers/paintNinePieceImage
             //   seems dangerous: it is only correct if applied atomically (single draw call). While
             //   the heuristic above presumably ensures that is the case, this approach seems super
             //   fragile. We should investigate dropping this optimization in favour of the more
@@ skipping 49 matching lines @@
             rect.setHeight(logicalHeight);
         } else {
             rect.setX(logicalTop);
             rect.setWidth(logicalHeight);
         }
     }
     return rect;
 }
 
 } // namespace blink